Abstract: Disclosed are a spectrum comb signaling notification and sounding reference signal transmission method and device, wherein the spectrum comb signaling notification method includes: a network side configuring and notifying a receiving side of a two-layer comb spectrum signaling, including a first spectrum comb signaling and a second spectrum comb signaling, wherein the two-layer comb spectrum signaling indicates sub-carrier positions of transmitting the sounding reference signals to the receiving side.

Abstract: An interference measurement method, a network side device and a terminal device are disclosed. The interference measurement method includes: a network side sending interference measurement indication information to a terminal, and indicating the terminal to perform interference measurement, wherein the interference measurement indication information is used for indicating one or more kinds of the following information to the terminal: interference measurement modes used for performing interference measurement; and parameter configuration information used for interference measurement.

Abstract: Disclosed are a method and device for sending an enhanced Physical Hybrid Automatic Repeat Request (ARQ) Indicator Channel (ePHICH) and a method and device for receiving the ePHICH. The method for sending the ePHICH includes: a part or all of Resource Elements (RE) of Physical Resource Block (PRB) pairs for sending the ePHICH are divided into NePHICHgroup groups of ePHICH REs, wherein each group of ePHICH REs in the NePHICHgroup groups of ePHICH REs includes NePHICHseq ePHICH resources, and both NePHICHgroup and NePHICHseq are positive integers more than or equal to 1; and the ePHICH is sent on the ePHICH resources. By the present disclosure, uplink Acknowledgement/Non-acknowledgement (ACK/NACK) transmission performance is improved.

Abstract: Provided are a method and device for determining indication signalling of a pilot signal for channel measurement, and method and device for feeding back CSI. The method for determining indication signalling of pilot signal for channel measurement includes: a NodeB sends DL control signalling, which includes transmission resource configuration information of a non-periodic CSI-RS, to a terminal, wherein the transmission resource configuration information of the non-periodic CSI-RS is used for determining a location of the non-periodic CSI-RS, and the non-periodic CSI-RS is used for instructing the terminal to perform channel measurement.

Abstract: A CT detector, comprising: a detector module that includes multiple scintillators having gaps there between and for constituting two-dimensional discrete pixels; a collimator plate located above one side of the detector module receiving X-rays, for guiding the X-rays to the corresponding two-dimensional discrete pixels; and further comprising grids located between the detector module and the collimator plate, for blocking the X-rays emitted to the gaps.

Abstract: Provided are resource mapping and receiving methods and devices and signalling notification and acquisition methods and devices. The resource mapping method includes that: an evolved NodeB (eNB) maps a Channel State Information Reference Signal (CSI-RS) onto multiple resource elements in a manner of frequency division multiplexing and/or time division multiplexing and/or code division multiplexing; and/or the eNB maps an Interference Measure Resource (IMR) onto multiple resource elements in a manner of frequency division multiplexing and/or time division multiplexing. By the technical solution, the effects of improving measurement performance of a system, ensuring more accurate adaptive transmission and improving spectral efficiency of the system are further achieved.

Abstract: A method and device for sending an aggregated CQI are provided by the disclosure. The method includes a terminal side receiving CSI-RS configuration information and/or interference measurement information sent from a base station side, the terminal side determining a sending sequence of aggregated CQI of each aggregated CSI-RS configuration resource and/or interference measurement resource according to a receiving sequence of the CSI-RS configuration information and/or interference measurement information, wherein each aggregated CSI-RS configuration resource and/or interference measurement resource is aggregated of at least one configuration CSI-RS configuration resource and/or interference measurement resource corresponding to the CSI-RS configuration information and/or interference measurement information, the terminal side sending the aggregated CQI to the base station according to the sending sequence.

Abstract: A method for transmitting and receiving a control channel, a base station and a terminal relate to a long term evolution advanced system. The method for transmitting a control channel disclosed by the present document includes: a base station side configuring, for a terminal side, detection-limited subframe cluster information of a control channel, so as to notify the terminal side of the manner by which the base station side transmits the control channel. The present document also discloses a method for receiving a control channel, a base station and a terminal.

Abstract: Disclosed are a method for transmitting a demodulation reference signal (DMRS), a base station and a user equipment, related to the LTE Advanced system. The method for transmitting the DMRS disclosed in the present document includes: a base station transmitting a plurality of demodulation reference signal (DMRS) ports through frequency division multiplexing (FDM) and/or code division multiplexing (CDM) and/or time division multiplexing (TDM). The embodiment of the present invention further discloses a base station and a user equipment. The technical scheme of the present application greatly boosts the DMRS demodulation performance, especially taking into account its use in the 256QAM modulation method in future, balances interpolation performance of various PRB Pairs in one sub-frame, and it avoids a collision between a DMRS and a RCRS, a PSS/SSS as well as a CSI-RS.

Abstract: The present document relates to a method for processing channel state information (CSI), base station and terminal. The method for processing channel state information includes: a base station configuring a plurality of CSI processes for a terminal, each CSI process at least including information of a channel measurement part and information of an interference measurement part; when the base station configures corresponding CSI reference processes for partial or all CSI processes, at least limiting a rank indicator (RI) of the CSI processes for calculating a CSI report to be consistent with an RI of the CSI reference processes by configuring the CSI reference processes; and for the CSI processes configured with the CSI reference processes, the base station receiving the CSI report of the CSI processes according to the RI, or the RI and a PTI, or the RI and a PMI0 corresponding to the CSI reference processes.

Abstract: A method for notifying a downlink demodulation pilot control signaling, includes: a base station side notifying a user equipment (UE) side of an index of a virtual signaling group and/or index of port offset signaling group used when generating a downlink pilot sequence and/or mapping the generated downlink pilot sequence through at least one of the following information: UE-specific or common high layer signaling; antenna indication information of DL_Grant; new data indication information in a Disable TB signaling in the DL_Grant; scrambling indication information in the DL_Grant; in a UE-specific or common search space, an aggregation level of the DL_Grant, a relative position of a first control channel element of the DL_Grant in the UE-specific or common search space, a subframe number where the DL_Grant is located and a system frame number where the DL_Grant is located.

Abstract: A downlink control information configuration and acquisition method, base station and terminal. The base station configures a plurality of sets of received information for the terminal via dedicated high-layer signalling of the terminal, and the base station indicates which set of the plurality of sets of received information is to be used by the terminal to receive a DMRS and/or physical downlink shared channel (PDSCH) using at least one of the following pieces of information: LVRB/DVRB bits allocated by a centralized/distributed virtual resource block in the DCI Format 1A; a control channel mode in which the DCI Format 1A is located: a PDCCH and an ePDCCH; an ePDCCH transmission mode in which the DCI Format 1A is located: a diversity transmission mode and a centralized transmission mode; and an ePDCCH cluster in which the DCI Format 1A is located.

Abstract: Disclosed are a transmission method, device and system for physical hybrid ARQ indicator channel (PHICH). The method comprises the following steps: a NodeB scrambles the PHICH using the determined PHICH resources according to a UE-specific manner and/or a currently used PHICH scrambling code; and the NodeB sends the scrambled PHICH on the determined PHICH resources. Through the disclosure, the problem of PHICH capacity insufficiency, PHICH collisions and interference that caused by the number of user in single cell much larger than that in traditional cell in the related art are solved, the capacity of physical hybrid ARQ indicator channel in downlink resources is improved, and the interference that caused by PHICH collisions is reduced.

Abstract: The disclosure discloses a method and system for processing control channel information. A receiving side is notified, by a network side via one or more types of the following signaling, of the information required to receive or perform blind detection for a control channel, wherein the signaling part comprises at least: a Radio Resource Control (RRC) signaling, a System Information Block (SIB)x (x=2, 3) signaling, and a Physical Downlink Control Channel (PDCCH) signaling located at the first n (n=1, 2, 3, 4) Orthogonal Frequency-Division Multiplexing (OFDM) symbols. In the control channel information processing technology of the disclosure, the receiving side can be notified, via signaling configuration, of at least the time domain or frequency domain location occupied by the control channel. This scheme allows for full utilization of space division technology, thus reducing the load on a physical downlink control channel, and reducing interference between control channels.

Abstract: A method, system and apparatus for notifying and determining an antenna port location relationship are disclosed. A network side configures an indication signaling of a CSI-RS referenced by a DMRS, and/or a first enabling indication signaling used for indicating whether the indication signaling of the CSI-RS referenced by the DMRS is enabled; or the network side further configures an indication signaling of a CRS referenced by each set of CSI-RSs which are quasi-co-located, and/or a second enabling indication signaling used for indicating whether the indication signaling of the CRS referenced by each set of CSI-RSs which are quasi-co-located is enabled. In the above scheme, a terminal is enabled to determine a reference signal port referenced in time-frequency synchronization, thereby providing a time-frequency synchronization precision.

Abstract: The disclosure provides a method and device for determining Channel quality indication information, which is configured to perform channel measurement based on a reference signal, so as to obtain a CQI information. The method considers the influence of multiple factors on CQI calculation, including selection of a measurement reference signal as well as the influence of multiple complex conditions on CQI calculation, thereby solving the problem that an existing system is unable to obtain accurate Channel quality indication information when using a transmission mode 9, and enhancing the flexibility and performance of the system.

Abstract: Disclosed is a configuration method for an enhanced downlink control channel, which configures K ePDCCH detection clusters for a terminal, including: independently configuring an antenna port index of a corresponding demodulation reference signal (DMRS) at the time of detection of each ePDCCH detection cluster or different transmission modes of ePDCCH detection clusters of the K ePDCCH detection clusters; and/or independently configuring a scrambling sequence index of the corresponding DMRS at the time of detection of each ePDCCH detection cluster or different transmission modes of ePDCCH detection clusters of the K ePDCCH detection clusters; and/or independently configuring the correlation between a corresponding DMRS scrambling sequence at the time of detection of each ePDCCH detection cluster or different transmission modes of ePDCCH detection clusters of the K ePDCCH detection clusters and a DMRS scrambling sequence of a physical downlink shared channel PDSCH, and the like.

Abstract: Provided are a downlink data rate-matching method and device, the method including: a UE acquiring one of the following information: one or more sets of rate-matching resource indication information configured by a base station and used for instructing the UE to perform rate-matching, one or more sets of rate-matching resource indication information and combined rate-matching resource indication information, and rate-matching resource indication information of a serving cell of the UE acquired when the UE accesses a network; the UE determining a DCI Format corresponding to downlink grant indication information in a subframe of downlink control information transmitted by the base station; and the UE determining rate-matching resource information corresponding to the DCI Format and used for rate-matching according to the DCI Format and a preset corresponding relationship, and conducting downlink data rate-matching according to the rate-matching resource information. The solution improves rate-matching accuracy.

Abstract: Provided are a method and a device for sending and receiving an ePDCCH, a base station, and user equipment. The method includes: a base station mapping enhanced resource element groups (eREGs) corresponding to an ePDCCH to different resource elements, wherein each of the eREGs corresponding to the ePDCCH is located in one physical resource block pair; and the base station sending the ePDCCH on the resource elements. The disclosure improves the reliability and resource utilization of ePDCCH transmission.

Abstract: Provided is a control information processing method and device. The method includes: receiving high-layer configuration signalling, wherein the high-layer configuration signalling is used for determining an indication mode of X bits in a control information format, the indication mode of X bits comprises at least one of the following: all of the X bits being used for indicating a first parameter set of at least one enabled transmission block in control information, and the X bits being used for indicating a first parameter set and a second parameter set of at least one enabled transmission block in the control information, where X is a positive integer greater than or equal to 3; and generating a control information format according to the high-layer configuration signalling.